Finding the Fourth Proportional to 1,026,629.94, 1,539,430.92 and 316,565.70
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Solution
The fourth proportional to 1,026,629.94, 1,539,430.92 and 316,565.70 is: 474,690.06
Step by Step Solution
- Step 1: Write the proportion equation
1,026,629.94 : 1,539,430.92 = 316,565.70 : x - Step 2: Convert to fraction form
1,026,629.94/1,539,430.92 = 316,565.70/x - Step 3: Cross multiply
1,026,629.94x = 1,539,430.92 × 316,565.70 - Step 4: Simplify right side
1,026,629.94x = 487,331,026,791.44 - Step 5: Solve for x
x = 487,331,026,791.44/1,026,629.94 - Step 6: Final answer
x = 474,690.06
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.